package com.southwind.service.impl;

import com.southwind.dto.SystemAdminDto;
import com.southwind.service.SystemAdminService;

public class SystemAdminServiceImpl implements SystemAdminService {
    @Override
    public SystemAdminDto login(String username, String password) {
        //1.通过username查询数据库
        //2.查询结果为空，username错误
        //3.查询结果不为空，在判断password是否正确

        return null;
    }
}
